Research on the Photogrammetric Accuracy of Drones Based on Different Flight Altitudes
Nowadays,drone photogrammetry has become a popular technology in the field of cartography.The flight altitude plays a significant role in generating accurate cartographic data when mapping special terrains.This paper takes a certain mining area as the research object and carries out photogrammetry at different flight altitudes with the DJI Mavic M3E drone.After constructing the digital elevation model,the precision verification is conducted in X,Y,Z,and XY directions using ground control points.Experimental results show that the model construction accuracy is relatively high at lower flight altitudes,while slightly decreases at higher altitudes.This research can provide certain references for the cartographic work of drone photogrammetry.
drone photogrammetryflight altitudecartographic accuracydigital elevation model
国家科技期刊平台
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